A backflow preventer is essential for the protection of offshore and onshore system against contamination; Backflow preventer valves vary in form and design, and must be fitted in accordance with current guidelines and regulations.

There are over 10,000 recorded cases of backflow contamination every year (some being fatal), which highlights the importance of a backflow prevention devices.

Most backflow preventers will incorporate test points and isolation valves, which allow for annual inspection, maintenance and accredited certification.

Potable water systems must comply with the Water Supply (Water Fittings) Regulations 1999. This includes the prevention of backflow and back siphonage, the use of approved materials for pipework, water fitting and jointing materials.

OWM can provide a full site survey to ensure suitable protection is supplied, installed and commissioned by our fully qualified WRAS approved technicians. This ensures compliance with mandatory requirements and regulations.

For further information regarding the above, please contact our Infrastructure Team at infrastructure@owmgroup.com or

call 01224 766641.

Reduced Pressure Zone

Valve (RPZ)

This tap is sucking up potentially contaminated fluid because there is insufficient air gap.

OWM Group is an independent provider of all services and support associated with water management within the offshore industry. This includes the design, supply, installation, management and maintenance of all offshore potable water systems. Our customer base includes Offshore Operators Drilling Companies and all types of marine support companies associated within the offshore industry.